730451369 has 2 divisors, whose sum is σ = 730451370. Its totient is φ = 730451368.

The previous prime is 730451347. The next prime is 730451389. The reversal of 730451369 is 963154037.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 728730025 + 1721344 = 26995^2 + 1312^2 .

It is an emirp because it is prime and its reverse (963154037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 730451369 - 2¹⁶ = 730385833 is a prime.

It is a super-2 number, since 2×730451369² = 1067118404947948322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (730451389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365225684 + 365225685.

It is an arithmetic number, because the mean of its divisors is an integer number (365225685).

Almost surely, 2^730451369 is an apocalyptic number.

It is an amenable number.

730451369 is a deficient number, since it is larger than the sum of its proper divisors (1).

730451369 is an equidigital number, since it uses as much as digits as its factorization.

730451369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 730451369 is about 27026.8638395209. The cubic root of 730451369 is about 900.5968752614.

The spelling of 730451369 in words is "seven hundred thirty million, four hundred fifty-one thousand, three hundred sixty-nine".